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  1. W

    prop question

    Ive asked a few questions in past regarding a prop change and now i found a used one that is like new, my original prob. was my 89 Checkmate Spectra 200 with a GT200 has engine mounted high and the decavitation plate is about 3.5" above lowest part of hull which makes trimming down on all...
  2. W

    motor to high?

    We just bought a 89 Checkmate Spectra 200 w/87 Johnson GT200 from orig. purchaser, it is as new. He said he never adjusted the motor hieght and bolts look like they were not touched, problem is it cavitates very easy in corners or if someone is in bow section. Looks like cavitaion plate is...
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    Gt200 rpm range?

    Does anyone know what the top rpm should be for a 87 Johnson GT200 should be? took it up to 5500 rpms with a 14.25 x 21 alum. and I have a 14.25 x 23 stainless. What should this engine top rpm be? thanks.
  4. W

    Johnson GT200 VRO?

    I just purchased a 89 20'checkmate with a GT200 it has very low hrs. it was stored inside summer and winter, What is the risk of using this oil injection? does it have a high failure rate? can it be updated with new pump? if it quits will alarms give me time before damage occurs? This boat has a...
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